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Old gyp-crete

06-18-2007, 06:44 PM

Redoing bath in condo. Floor has 4x4 tile set on gyp-crete with thinset. 4x4's pop off fairly easy, what would be a good product to put over the gyp-crete to prevent the existing minor cracks for telegraphing to the new 12 x 12's
Thanks

SteveC
The improbable takes time, the impossible takes a little longer.

Nothing. Remove the old gyp-crete and replace with a made-for-tile SLC made by one of the tile adhesive and mortar companies, or use Maxxon and cover with a surface-applied membrane. I recommend using a single source for all the tile installation materials in this sandwich.